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Patents > Tech fields: navigation & National tech categories : FR 6.4 or None

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Full specification filed date:
Application number:
None (267)
Granted:
Supplementary to patent:
None (351) · Patent US-1909-970771 (5) · Patent AT-1900-12657 (3) · Patent AT-1912-75092 (3) · Patent FR-1836-5429 (3) · Patent DE-1909-Wilcke-Graff (3)
Related to aircraft:
Patent agent:
None (216) · Armengaud jeune (20) · Marks & Clerk (12) · Haseltine, Lake & Co. (9) · Herbert Haddan & Co. (7) · None (7) · Boult, Wade & Tennant (7) · Lavoix et Mosès (6) · W. P. Thompson & Co. (5) · G. de Mestral et F. Harlé (5) · H. Bœttcher fils (5) · J. Bonnet-Thirion (5) · Émile Klotz (4) · L. Chassevent (4) · Wheatley & Mackenzie (4) · Hippolyte Josse (4)
National tech categories: (Click arrow to add another value)
IPCs:
None (270) · IPC B64B1/00 (32) · IPC B64C39/00 (15) · IPC B64C23/00 (12) · IPC B64B1/58 (12) · IPC B64C3/38 (11) · IPC B64C1/00 (11) · IPC CPC B64C13/00 (9) · IPC B64C3/52 (9) · IPC B64C17/00 (8) · IPC B64C13/00 (7) · IPC B64C33/02 (6) · IPC B64C11/00 (6) · IPC B64C13/04 (6) · IPC B64B (5) · IPC B64C13/02 (4) · IPC B64B1/62 (4) · IPC B64C33/00 (4)
CPCs:
None (242) · CPC B64B1/00 (35) · CPC B64C13/00 (24) · CPC B64B1/58 (13) · CPC B64C23/005 (12) · CPC B64C17/00 (12) · CPC B64C39/00 (11) · CPC B64C3/52 (11) · CPC B64C2700/6295 (10) · CPC B64C2700/6256 (10) · CPC B64C3/385 (7) · CPC B64C33/02 (7) · CPC B64C2700/6245 (6) · CPC B64C2700/6274 (6) · CPC B64C13/02 (6) · CPC B64C3/38 (6) · CPC B64C1/00 (6)
First filing:
Citations from after 1930:
Number of diagram pages:

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